AltaGas - Sr. Administrative Assistant, Enterprise Risk & Assurance and Tax

Job Description AltaGas - Sr. Administrative Assistant, Enterprise Risk & Assurance and Tax

We’re looking for a Senior Administrative Assistant to support the VP of Enterprise Risk & Assurance and the VP of Tax. Both teams are cross-border, with members based in Calgary and Washington, D.C. This role is perfect for someone who’s always one step ahead—organized, resourceful, and ready to handle anything. You’ll manage executive schedules, financial processes, audit coordination, and team operations with precision and professionalism. If you thrive on efficiency, love solving problems, and can juggle competing priorities with ease, we’d love to meet you.

- Manage the VP’s calendar, travel, expenses, and correspondence

- Liaise with executives, board members, and their assistants

- Handle confidential communications, documents, and meeting minutes

- Send formal audit communications on behalf of the VP ER&A and Audit Leadership

- Coordinate internal and external stakeholder meetings

- Oversee onboarding/offboarding of team members and consultants

- Track team milestones, events, and performance metrics

- Provide occasional admin support to other Finance teams

- Generate purchase requisitions and purchase orders

- Review invoices for coding accuracy and route for approval

- Support budget reporting and invoice reconciliation

- Liaise across departments to support C-SOX compliance and reporting timelines

- Assist with internal control documentation and data collection

- Coordinate with internal controls vendors and external auditors

- Support internal controls updates and presentations

- Plan and execute team offsites, training, and strategic sessions

- Manage venue selection, budgeting, contracts, logistics, travel, accommodations, and tech needs

What You'll Bring:

- 5+ years of experience supporting senior leaders in a fast-paced, professional environment

- Advanced Microsoft 365 skills (Outlook, Word, Excel, PowerPoint, SharePoint, Teams)

- Proven ability to work independently and collaboratively across teams

- Exceptionally proactive, detail-oriented, and highly organized

- Strong business acumen, problem-solving skills, and sound judgment

- Excellent verbal and written communication, formatting, and proofing skills

- High level of professionalism, discretion, and customer service mindset

- Experience with enterprise systems such as SAP or Oracle is preferred

- Strong knowledge of accounting, auditing, and internal controls; familiarity with C-SOX/SOX is an asset

Why Join Us?

- At AltaGas, you’ll contribute to meaningful work in a collaborative, high-performance culture that values integrity and innovation.

- You’ll be supported with development opportunities, and the chance to work on high-impact projects that align with AltaGas’ long-term strategy

- You’ll be part of a company that’s not only performing—but transforming

For Canadian hires

: AltaGas hires personnel on the basis of job-related qualifications. All qualified applicants will receive consideration without regard to a person's ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity or expression, age, record of offences, marital status, family status or disability or any other characteristic protected by applicable law.

: WGL/SEMCO/AltaGas offers a total rewards package that includes competitive pay, incentive bonus plans, holiday pay, 401K matching and a wide array of benefits. These benefits including medical, dental and vision coverage are designed to help you and your family stay healthy. We also have paid time off (PTO) to balance the demands of your work and personal life. Available benefits vary depending upon the specifics of the role.

U.S. affiliates of AltaGas are committed to equal employment opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities. We value and encourage diversity and solicit applications from all qualified applicants without regard to race, ethnicity, religion, gender, age, national origin, marital status, sexual orientation, gender identity, family responsibilities, matriculation, physical or mental disabilities, political affiliation, genetic information, status as a protected veteran or any other characteristic protected by federal, state, or local law.